You can also exchange it for a new box if you're having technical difficulties. A technician usually installs your cable and cable box, but you can remove a Comcast cable box and return or exchange it by yourself.
Eat vitamin A each day to keep your digestive system healthy. The surface of your digestive tract is made up of mucosal tissues. These tissues secrete compounds that help with digestion -- the mucosal lining in your stomach, for example, secretes stomach acid -- and also absorb the nutrients from your food.
Two types of vitamins are essential for proper bodily function: fat-soluble and water-soluble vitamins. Fat-soluble vitamins include vitamins A, D, E and K, and the digestion of these vitamins is enhanced in the presence of fat. Fat-soluble vitamins are stored within your liver, intestines and fatty tissues of the body. B-complex vitamins and vitamin C are water-soluble.